Quantum turbulence in superfluid He-3 illuminated by a beam of quasiparticle excitations.

Physics

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https://doi.org/10.1103/PhysRevLett.93.235302
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Keywords

ANDREEV REFLECTION, SUPERFLUID, HELIUM-3, QUANTUM TURBULENCE

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Quantum turbulence in superfluid He-3 illuminated by a beam of quasiparticle excitations. / Bradley, D. Ian; Fisher, Shaun N.; Guénault, A.M. et al.
In: Physical review letters, Vol. 93, No. 23, 12.2004, p. 235302.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Bibtex

@article{377962f58e004873a39109b957b9c2cb,

title = "Quantum turbulence in superfluid He-3 illuminated by a beam of quasiparticle excitations.",

abstract = "We have measured directly the Andreev scattering of a controllable beam of quasiparticle excitations by a localized tangle of quantum vortices in superfluid He-3-B at low temperatures. We present a microscopic description of the Andreev scattering from a vortex line allowing us to estimate the vortex separation scale in a dilute tangle of vortices, providing a better comparison of the observed decay time of the turbulence with recent numerical simulations. The experiments also suggest that below 200 muK we reach the low temperature limit for turbulent dynamics.",

keywords = "ANDREEV REFLECTION, SUPERFLUID, HELIUM-3, QUANTUM TURBULENCE",

author = "Bradley, {D. Ian} and Fisher, {Shaun N.} and A.M. Gu{\'e}nault and Lowe, {M. R.} and Pickett, {George R.} and A. Rahm and Whitehead, {R. C. V.}",

year = "2004",

month = dec,

doi = "10.1103/PhysRevLett.93.235302",

language = "English",

volume = "93",

pages = "235302",

journal = "Physical review letters",

issn = "1079-7114",

publisher = "American Physical Society",

number = "23",

}

RIS

TY - JOUR

T1 - Quantum turbulence in superfluid He-3 illuminated by a beam of quasiparticle excitations.

AU - Bradley, D. Ian

AU - Fisher, Shaun N.

AU - Guénault, A.M.

AU - Lowe, M. R.

AU - Pickett, George R.

AU - Rahm, A.

AU - Whitehead, R. C. V.

PY - 2004/12

Y1 - 2004/12

N2 - We have measured directly the Andreev scattering of a controllable beam of quasiparticle excitations by a localized tangle of quantum vortices in superfluid He-3-B at low temperatures. We present a microscopic description of the Andreev scattering from a vortex line allowing us to estimate the vortex separation scale in a dilute tangle of vortices, providing a better comparison of the observed decay time of the turbulence with recent numerical simulations. The experiments also suggest that below 200 muK we reach the low temperature limit for turbulent dynamics.

AB - We have measured directly the Andreev scattering of a controllable beam of quasiparticle excitations by a localized tangle of quantum vortices in superfluid He-3-B at low temperatures. We present a microscopic description of the Andreev scattering from a vortex line allowing us to estimate the vortex separation scale in a dilute tangle of vortices, providing a better comparison of the observed decay time of the turbulence with recent numerical simulations. The experiments also suggest that below 200 muK we reach the low temperature limit for turbulent dynamics.

KW - ANDREEV REFLECTION

KW - SUPERFLUID

KW - HELIUM-3

KW - QUANTUM TURBULENCE

U2 - 10.1103/PhysRevLett.93.235302

DO - 10.1103/PhysRevLett.93.235302

M3 - Journal article

VL - 93

SP - 235302

JO - Physical review letters

JF - Physical review letters

SN - 1079-7114

IS - 23

ER -

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